我正在使用ng-disabled，我喜歡它。輸入和按鈕對(duì)我來說很好。對(duì)于錨標(biāo)簽不起作用。我該如何解決？HTML code<a ng-disabled="addInviteesDisabled()">Add</a>JS code  $scope.addInviteesDisabled = function() {      return $scope.event.status === APP_CONSTANTS.STATUSES.PENDING_APPROVAL;  };